Education background

Ph.D. in Environmental Science and Engineering, July 2005, Tsinghua University

B.S. in Environmental Engineering, July 2000, Tsinghua University

Experience

2023-present Professor, School of Environment, Tsinghua University, China

2010- 2023  Associate Professor, School of Environment, Tsinghua University, China

2011-2012  Visiting Scholar, School of Engineering, Duke University, USA

2005-2010  Assistant Professor, Department of Environmental Science and Engineering, Tsinghua University, China

Concurrent academic

2018- present   Editorial board member of Int J Environ Res Public Health

2017- present   Convenor of ISO TC142 WG13

2012- present   Committee Member of Division of VOCs Control in Chinese Society for Environmental Sciences

2009- present   Member of Chinese Association for Engineering Construction Standardization

TEACHING

40050202: Perceptual Practice

70050313: Fundamentals of Environmental Biotechnology

30050092: English for Environmental Professionals

STUDENTS/POST-DOCTORS ADVISED

Ph.D. students: Insun Kang, Zenab Baig, Lichao Lu, Marvin Yeung, Zhuqiu Sun, Marvin Yeung, Lan Tian, Dan Li, Ziyu Liu, Lishan Niu, Yunsheng Wu

Master students: Feng Gu, Zhichao Wang, Yun Ouyang, Yi He, Shuli Zhao, Prakit Saingam, Lu Meng,  Bowen Pang, Guangchun Wang, Marvin Yeung, Hairong Wang, Dong Dong, Dongwei Wei, Ziyu Liu, Ga Luo, Wenjie Cong

Post-doctor and research assistant: Yang Xu, Guangliang Tian, Junliang Wu, Juan Cao, Lei Gao, Chenghong Jiang, Jingyu Zhang, Qiang Zhu, Caiyun Han, Jiawei Sun

Research Interests

1. Control of volatile organic compounds (VOCs) and odorants

2. Analysis and optimization of environmental microbial communities

3. Control of harmful microorganisms

Projects

1. Method to characterize and evaluate the quality of water environment in cities matching the sense of people, Major project for water pollution control, 2016-2020

2. Biomass control by low concentration ozone injection in VOCs biofilters: Mechanisms and control method, project of National Natural Science Foundation of China, 2014-2017

3. Odor control technology and system in municipal wastewater treatment plants. Major project for water pollution control, 2010-2015

Academic Achievement

Selected journal papers:

1. Zhuqiu Sun, Jinying Xi^*, Chunping Yang, Wenjie Cong. Quorum sensing regulation methods and their effects on biofilm in biological waste treatment systems: A review, Frontiers of Environmental Science and Engineering, 2022, 16(7): 87-99

2. Lichao Lu, Dong Dong, Marvin Yeung, Zhuqiu Sun, Jinying Xi^*. Sustaining low pressure drop and homogeneous flow by adopting a fluidized bed biofilter treating gaseous toluene, Chemosphere, 291(3): 132951

3. Zhuqiu Sun, Jinying Xi^*, Marvin Yeung, Lichao Lu. Two quorum sensing enhancement methods optimized the biofilm of biofilters treating gaseous chlorobenzene [J]. Science of Total Environment, 2022, 807(1): 150589

4. Zhuqiu Sun, Bairen Yang, Marvin Yeung, Jinying Xi^*. Quorum sensing improved the low-temperature performance of biofilters treating gaseous toluene, Journal of Hazardous Materials, 2022, 437: 129277

5. Marvin Yeung, Prakit Saingam, Yang Xu, Jinying Xi. Low-dosage ozonation in gas-phase biofilter promotes community diversity and robustness. Microbiome, 2021, 9(1): 14-23

6. Zhuqiu Sun, Cheng Ding, Jinying Xi, Lichao Lu, Bairen Yang. Enhancing biofilm formation in biofilters for benzene, toluene, ethylbenzene, and xylene removal by modifying the packing material surface, Bioresource Technology, 2020, 296: 122335-122341

7. Lichao Lu, Guangchun Wang, Marvin Yeung, Jinying Xi, Hong-Ying Hu. Shift of microbial community in gas-phase biofilters with different inocula, inlet loads and nitrogen sources, Process Biochemistry, 2020, 91: 57–64

8. Lichao Lu, Dong Dong, Zenab Tariq Baig, Marvin Yeung, Jinying Xi. Development of a novel fungal fluidized bed reactor for gaseous ethanol removal, Chemosphere, 2020, 244: 125529-125535

9. Guangliang Tian, Jinying Xi, Marvin Yeung, Gufeng Ren. Characteristics and mechanisms of H₂S production in anaerobic digestion of food waste, Science of the Total Environment, 2020，724:137977Zhuqiu Sun, Bowen Pang, Jinying Xi, Hong-Ying Hu. Screening and characterization of mixotrophic sulfide oxidizing bacteria for odorous surface water bioremediation, Bioresource Technology, 2019, 290: 121721-121727

10. Hairong Wang, Boya Fu, Jinying Xi^*, Hong-Ying Hu, Peng Liang, Xia Huang, Xiaoyuan Zhang^*. Remediation of simulated malodorous surface water by columnar air-cathode microbial fuel cells, Science of the Total Environment, 2019, 687: 287-296

11. Prakit Saingam, Zenab Baig, Yang Xu, Jinying Xi. Effect of ozone injection on the long-term performance and microbial community structure of a VOCs biofilter, Journal of Environmental Science, 2018, 69: 133-140

12. In-Sun Kang, Jinying Xi, Hong-Ying Hu. Photolysis and photooxidation of typical gaseous VOCs by UV Irradiation: Removal performance and mechanisms, Frontiers of Environmental Science and Engineering, 2018, 12(3): 8

13. Zenab Tariq Baig, Lu Meng, Prakit Saingam and Jinying Xi. Ozonation and depolymerization of extracellular polymeric substances (EPS) extracted from a biofilter treating gaseous toluene, Polymers, 2018, 10(7): 763-773

14. Zhuqiu Sun, In-Sun Kang, Qianyuan Wu, Jinying Xi, and Hongying Hu. Biotoxicity of water-soluble UV photodegradation products for 10 typical gaseous VOCs, Int J Environ Res Public Health, 2018, 15(7), 1520-1529

15. Jinying Xi， Feng Zhang， Yun Lu，Hong-Ying Hu. A novel model simulating reclaimed water disinfection by ozonation. Separation & Purification Technology, 2017, 179: 45-52

16. Bowen Pang, Chenghong Jiang, Marvin Yeung, Yun Ouyang, Jinying Xi. Removal of dissolved sulfides in aqueous solution by activated sludge: mechanism and characteristics. Journal of Hazardous Materials, 2016, 324(Pt B):732-738

17. Yang Xu, Prakit Saingam, Feng Gu, Jinying Xi, Hong-Ying Hu. The effect of injected ozone on the microbial metabolic characteristics in biofilters treating gaseous toluene. Ecological Engineering, 2016, 94, 174-181

18. Prakit Saingam, Jinying Xi, Yang Xu, and Hong-Ying Hu. Investigation of the characteristics of biofilms grown in gas-phase biofilters with and without ozone injection by CLSM technique, Applied Microbiology and Biotechnology, 2016, 100(4): 2023–2031

19. Lu Meng, Jinying Xi, Marvin Yeung. Degradation of extracellular polymeric substances (EPS) extracted from activated sludge by low-concentration ozonation, Chemosphere, 2016, 147: 248-255

20. Yu-Chen Pang, Jin-Ying Xi^*, Yang Xu, Zheng-Yang Huo, Hong-Ying Hu* (2016). Shifts of viable bacterial community in secondary effluent by chlorine disinfection revealed by Miseq high-throughput sequencing combined with propidium monoazide treatment. Applied Microbiology and Biotechnology, 2016, 100(14):6435–6446.

21. Yu-Chen Pang, Jing-Jing Huang, Jin-Ying Xi^*, Hong-Ying Hu^* and Yun Zhu. Effect of ultraviolet irradiation and chlorination on ampicillin-resistant Escherichia coli and its ampicillin resistance gene, Frontiers of Environmental Science and Engineering, 2016, 10(3): 522–530

22. Jinying Xi, Insun Kang, Hong-Ying Hu, Xian Zhang. A biofilter model for simultaneous simulation of toluene removal and filter bed pressure drop under varied inlet loadings, Frontiers of Environmental Science and Engineering, 2015, 9(3): 554-562

23. Yu-Chen Pang, Jin-Ying Xi, Guo-Qiang Li, Xiao-Jie Shi, Hong-Ying Hu. Prevalence of antibiotic-resistant bacteria in a lake for the storage of reclaimed water before and after usage as cooling water, Environmental Science: Processes & Impacts, 2015, 17(6): 1182-1189

24. Jinying Xi, Prakit Saingam, Feng Gu, Hong-Ying Hu, Xuefei Zhao. Effect of continuous ozone injection on performance and biomass accumulation of biofilters treating gaseous toluene, Applied Microbiology and Biotechnology, 2014, 98(22): 9437-9446

25. Can Wang, Jin-Ying Xi, Hong-Ying Hu, Yuan Yao. Stimulative Effects of Ozone on a Biofilter Treating Gaseous Chlorobenzene. Environ. Sci. Technol. 2009, 43(24): 9407–9412

26. Can Wang, Jin-ying Xi, Hong-ying Hu, Yuan Yao. Effects of UV pretreatment on microbial community structure and metabolic characteristics in a subsequent biofilter treating gaseous chlorobenzene. Bioresource Technology. 2009, 100(23), 5581-5587

Patents authorized in China:

1. A fluidized gas-phase bed reactor for VOCs and odor gas treatment, 201710036398.8

2. An equivalent method to test the UV dose of water disinfection devices by KI-KIO3, 201510512761.X

3. A screening method for high efficient microbes based on microplate cultivation, 201310129713.3

4. A method to optimize the long-term performance of VOCs biofilters by ozone injection, 201010272732.8

5. An integrated packing media for biological control of organic and odorous gas, 2007101778123

Books:

1. Xi Jinying, Wang Can, Wu Junliang. Characterization and control of industrial VOCs gas. Beijing: China Environmental Science Press, Dec 2014

2. Wang Can, Xi Jinying, Hu Hongyinig. UV-biofiltration of VOCs gas: fundamentals and applications. Beijing: Chemical Industry Press, May 2014

3. Hu Hongying, Zhang Xu, Huang Xia, Wang Wei, Xi Jinying. Fundamentals of Environmental Engineering (3rd Edition). Beijing: Higher Education Press, Aug 2015

4. Hu Hongying, Zhang Xu, Huang Xia, Wang Wei, Xi Jinying. Fundamentals of Environmental Engineering (4th Edition). Beijing: Higher Education Press, Oct 2022